Update .dockerfile

.dockerfile

@@ -1,22 +1,29 @@
-# Base image with Python 3.10
+# Start from an image with LibreOffice preinstalled
+FROM jacobalberty/libreoffice:latest as libreoffice
+
+# Final stage
 FROM python:3.10-slim
 
-# Install LibreOffice and dependencies (FORCE install)
+# Copy LibreOffice from the prebuilt image
+COPY --from=libreoffice /usr/lib/libreoffice /usr/lib/libreoffice
+COPY --from=libreoffice /usr/bin/libreoffice /usr/bin/libreoffice
+COPY --from=libreoffice /usr/share/libreoffice /usr/share/libreoffice
+
+# Install remaining dependencies
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
-    libreoffice \
     poppler-utils \
-    libgl1 \  # Required for some PDF rendering
+    libgl1 \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
-# Verify LibreOffice exists
-RUN which libreoffice || echo "LibreOffice not found lho!"
+# Verify install
+RUN libreoffice --version || echo "LibreOffice verification failed"
 
 WORKDIR /app
 COPY . .
 
-# Install Python packages
+# Install Python deps
 RUN pip install --no-cache-dir -r requirements.txt
 
 CMD ["python", "app.py"]